Home / 11,670.04-16,104.78-6,364.80

Finding the Fourth Proportional to 11,670.04, 16,104.78 and 6,364.80

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Solution

The fourth proportional to 11,670.04, 16,104.78 and 6,364.80 is: 8,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.04 : 16,104.78 = 6,364.80 : x
  2. Step 2: Convert to fraction form
    11,670.04/16,104.78 = 6,364.80/x
  3. Step 3: Cross multiply
    11,670.04x = 16,104.78 × 6,364.80
  4. Step 4: Simplify right side
    11,670.04x = 102,503,703.74
  5. Step 5: Solve for x
    x = 102,503,703.74/11,670.04
  6. Step 6: Final answer
    x = 8,783.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.